In the same time as has been published Microsoft® SQL Server® 2008 R2 Service Pack 1 Community Technology Preview [build version: 10.50.2418.0], Microsoft released in seperate distrubution Microsoft® SQL Server® 2008 R2 Service Pack 1 Community Technology Preview for Express Edition [build version: 10.50.2418.0].
This distributon is separate because Microsoft SQL Server 2008 R2 Express Edition is free (SP1 CTP of course too) and companies and users use three differents editions of SQL Server 2008 R2 SP1 CTP Express:
* SQL Server 2008 R2 Express with Tools (Core edition of Express that supports development. Includes SQL Server 2008 Database Engine and SQL Server Management Studio Express);
* SQL Server 2008 R2 Express with Advanced Services (Extends SQL Server 2008 Express with tools to include support for Integrated Full-text Search and Reporting Services);
* SQL Server 2008 R2 Express – Runtime Only (Includes the SQL Database Engine only and is designed for deployments and ISV redistribution)
All files which You need for Your environment are below:
Download | SQLEXPR_x86_ENU.exe | 176.8MB
Download | SQLEXPR32_x86_ENU.exe* | 156.0MB
Download | SQLEXPRADV_x64_ENU.exe | 998.6MB
Download | SQLEXPRADV_x86_ENU.exe | 885.3MB
Download | SQLEXPRWT_x64_ENU.exe | 349.1MB
Download | SQLEXPRWT_x86_ENU.exe | 327.6MB
* SQLEXPR32 is the smallest vertion of Microsofr SQL Server 2008 R2 Express Edition and must be use only on 32-bit operation systems. All athers SQLEXP files might be use on 64-bits version of operating systems (WOW install).
More information, release notes, comments and files You can find on the Download Page HERE.